Asteroid 588 Achilles, the first Trojan asteroid (Sun-Jupiter L5 Lagrangian Point) discovered. Shown here in relative position of the four inner terrestrial planets in their exact positions on Nov. 28th, 2009 at 3:07PM EST. Orbits shown are that of Earth, Jupiter, and the asteroid itself.

(Many thanks to my friends at NASA's Jet Propulsion Laboratory/Caltech. <3)